var products = {
     olv_s:["The Tweet Shirt S",20, "Y", "S"],
     olv_m:["The Tweet Shirt M",20, "N", "M"],
     olv_l:["The Tweet Shirt L",20, "N", "L"],
     olv_xl:["The Tweet Shirt XL",20,"Y", "XL"],
     olv_xxl:["The Tweet Shirt XXL",20,"Y", "XXL"]
}

var shipping = 7;
var shipping_item = 3;